Binay K. Bhattacharya Arijit Bishnu Otfried Cheong Sandip Das Arindam Karmakar Jack Snoeyink On Finding Non-dominated Points using Compact Voronoi Diagrams http://arxiv.org/abs/0909.0814 2009 CoRR abs/0909.0814 db/journals/corr/corr0909.html#abs-0909-0814 informal publication